== sanity test 398b: DIO and buffer IO race ============== 18:06:25 (1781215585) /usr/bin/fio 48+0 records in 48+0 records out 50331648 bytes (50 MB, 48 MiB) copied, 6.77467 s, 7.4 MB/s mix direct rw 4096 by fio with 4 jobs... mix buffer rw 4096 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=145126: Thu Jun 11 18:09:31 2026 read: IOPS=9, BW=36.8KiB/s (37.7kB/s)(5992KiB/162734msec) clat (usec): min=35, max=969031, avg=53968.73, stdev=46177.59 lat (usec): min=36, max=969033, avg=53983.24, stdev=46182.14 clat percentiles (usec): | 1.00th=[ 61], 5.00th=[ 78], 10.00th=[ 14222], 20.00th=[ 25560], | 30.00th=[ 32113], 40.00th=[ 38011], 50.00th=[ 45351], 60.00th=[ 54264], | 70.00th=[ 64750], 80.00th=[ 79168], 90.00th=[101188], 95.00th=[120062], | 99.00th=[191890], 99.50th=[258999], 99.90th=[375391], 99.95th=[968885], | 99.99th=[968885] bw ( KiB/s): min= 7, max= 94, per=25.18%, avg=36.76, stdev=18.35, samples=316 iops : min= 1, max= 23, avg= 8.52, stdev= 4.63, samples=316 write: IOPS=9, BW=38.7KiB/s (39.6kB/s)(6296KiB/162734msec); 0 zone resets clat (usec): min=1067, max=452850, avg=51576.67, stdev=53206.15 lat (usec): min=1069, max=452852, avg=51579.22, stdev=53206.05 clat percentiles (usec): | 1.00th=[ 1450], 5.00th=[ 1713], 10.00th=[ 3195], 20.00th=[ 7504], | 30.00th=[ 14091], 40.00th=[ 24249], 50.00th=[ 36439], 60.00th=[ 48497], | 70.00th=[ 66847], 80.00th=[ 87557], 90.00th=[119014], 95.00th=[149947], | 99.00th=[238027], 99.50th=[295699], 99.90th=[379585], 99.95th=[450888], | 99.99th=[450888] bw ( KiB/s): min= 7, max= 111, per=25.41%, avg=38.88, stdev=19.34, samples=314 iops : min= 1, max= 27, avg= 9.05, stdev= 4.87, samples=314 lat (usec) : 50=0.13%, 100=3.22%, 250=0.42%, 500=0.10%, 1000=0.03% lat (msec) : 2=3.81%, 4=2.34%, 10=6.77%, 20=8.17%, 50=33.17% lat (msec) : 100=28.91%, 250=12.21%, 500=0.68%, 1000=0.03% cpu : usr=0.08%, sys=5.00%, ctx=6822, majf=0, minf=19 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1498,1574,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145129: Thu Jun 11 18:09:31 2026 read: IOPS=9, BW=37.3KiB/s (38.2kB/s)(5940KiB/159212msec) clat (usec): min=37, max=359331, avg=54949.78, stdev=39737.34 lat (usec): min=37, max=359332, avg=54959.89, stdev=39732.43 clat percentiles (usec): | 1.00th=[ 61], 5.00th=[ 85], 10.00th=[ 17433], 20.00th=[ 26608], | 30.00th=[ 32900], 40.00th=[ 39584], 50.00th=[ 46924], 60.00th=[ 54789], | 70.00th=[ 64750], 80.00th=[ 78119], 90.00th=[103285], 95.00th=[125305], | 99.00th=[202376], 99.50th=[238027], 99.90th=[278922], 99.95th=[358613], | 99.99th=[358613] bw ( KiB/s): min= 7, max= 100, per=25.59%, avg=37.36, stdev=18.03, samples=308 iops : min= 1, max= 25, avg= 8.67, stdev= 4.55, samples=308 write: IOPS=9, BW=39.9KiB/s (40.8kB/s)(6348KiB/159212msec); 0 zone resets clat (usec): min=1086, max=904313, avg=48526.65, stdev=55187.88 lat (usec): min=1107, max=904315, avg=48532.38, stdev=55191.45 clat percentiles (usec): | 1.00th=[ 1418], 5.00th=[ 1614], 10.00th=[ 2089], 20.00th=[ 6587], | 30.00th=[ 12256], 40.00th=[ 21890], 50.00th=[ 34341], 60.00th=[ 47449], | 70.00th=[ 60556], 80.00th=[ 82314], 90.00th=[114820], 95.00th=[139461], | 99.00th=[227541], 99.50th=[291505], 99.90th=[608175], 99.95th=[901776], | 99.99th=[901776] bw ( KiB/s): min= 7, max= 103, per=26.06%, avg=39.87, stdev=19.54, samples=309 iops : min= 1, max= 25, avg= 9.30, stdev= 4.94, samples=309 lat (usec) : 50=0.16%, 100=2.60%, 250=0.33%, 500=0.03%, 750=0.03% lat (msec) : 2=4.95%, 4=2.67%, 10=5.96%, 20=9.15%, 50=32.62% lat (msec) : 100=28.94%, 250=11.98%, 500=0.52%, 750=0.03%, 1000=0.03% cpu : usr=0.08%, sys=4.86%, ctx=6699, majf=0, minf=19 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1485,1587,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145130: Thu Jun 11 18:09:31 2026 read: IOPS=9, BW=37.0KiB/s (37.9kB/s)(6028KiB/162714msec) clat (usec): min=34, max=847826, avg=53091.18, stdev=43658.07 lat (usec): min=35, max=847828, avg=53100.97, stdev=43656.14 clat percentiles (usec): | 1.00th=[ 59], 5.00th=[ 77], 10.00th=[ 13042], 20.00th=[ 25035], | 30.00th=[ 31589], 40.00th=[ 38011], 50.00th=[ 45351], 60.00th=[ 52691], | 70.00th=[ 63701], 80.00th=[ 77071], 90.00th=[ 99091], 95.00th=[122160], | 99.00th=[187696], 99.50th=[252707], 99.90th=[333448], 99.95th=[851444], | 99.99th=[851444] bw ( KiB/s): min= 7, max= 95, per=25.28%, avg=36.91, stdev=18.64, samples=316 iops : min= 1, max= 23, avg= 8.57, stdev= 4.70, samples=316 write: IOPS=9, BW=38.5KiB/s (39.4kB/s)(6260KiB/162714msec); 0 zone resets clat (usec): min=1207, max=874066, avg=52452.72, stdev=55872.08 lat (usec): min=1209, max=874068, avg=52461.42, stdev=55874.77 clat percentiles (usec): | 1.00th=[ 1434], 5.00th=[ 1663], 10.00th=[ 2802], 20.00th=[ 7308], | 30.00th=[ 13960], 40.00th=[ 27395], 50.00th=[ 39060], 60.00th=[ 51643], | 70.00th=[ 65799], 80.00th=[ 86508], 90.00th=[119014], 95.00th=[149947], | 99.00th=[244319], 99.50th=[283116], 99.90th=[392168], 99.95th=[876610], | 99.99th=[876610] bw ( KiB/s): min= 7, max= 95, per=25.20%, avg=38.56, stdev=17.78, samples=314 iops : min= 1, max= 23, avg= 8.98, stdev= 4.49, samples=314 lat (usec) : 50=0.36%, 100=3.29%, 250=0.52%, 500=0.13%, 1000=0.03% lat (msec) : 2=3.97%, 4=2.47%, 10=6.61%, 20=7.00%, 50=32.94% lat (msec) : 100=30.18%, 250=11.78%, 500=0.65%, 1000=0.07% cpu : usr=0.09%, sys=5.13%, ctx=6881, majf=0, minf=19 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145131: Thu Jun 11 18:09:31 2026 read: IOPS=9, BW=36.0KiB/s (37.9kB/s)(6052KiB/163717msec) clat (usec): min=35, max=429184, avg=54282.40, stdev=39868.73 lat (usec): min=35, max=429184, avg=54286.78, stdev=39868.65 clat percentiles (usec): | 1.00th=[ 61], 5.00th=[ 76], 10.00th=[ 12387], 20.00th=[ 25822], | 30.00th=[ 32637], 40.00th=[ 39060], 50.00th=[ 46924], 60.00th=[ 55837], | 70.00th=[ 67634], 80.00th=[ 81265], 90.00th=[102237], 95.00th=[125305], | 99.00th=[189793], 99.50th=[238027], 99.90th=[283116], 99.95th=[429917], | 99.99th=[429917] bw ( KiB/s): min= 7, max= 102, per=25.88%, avg=37.78, stdev=17.37, samples=308 iops : min= 1, max= 25, avg= 8.79, stdev= 4.40, samples=308 write: IOPS=9, BW=38.1KiB/s (39.0kB/s)(6236KiB/163717msec); 0 zone resets clat (usec): min=1257, max=1056.1k, avg=51934.20, stdev=58038.34 lat (usec): min=1259, max=1056.1k, avg=51937.20, stdev=58038.29 clat percentiles (usec): | 1.00th=[ 1434], 5.00th=[ 1647], 10.00th=[ 2737], | 20.00th=[ 6718], 30.00th=[ 13566], 40.00th=[ 25822], | 50.00th=[ 38011], 60.00th=[ 50070], 70.00th=[ 65274], | 80.00th=[ 85459], 90.00th=[ 122160], 95.00th=[ 152044], | 99.00th=[ 225444], 99.50th=[ 270533], 99.90th=[ 387974], | 99.95th=[1052771], 99.99th=[1052771] bw ( KiB/s): min= 7, max= 118, per=24.84%, avg=38.01, stdev=19.64, samples=316 iops : min= 1, max= 29, avg= 8.84, stdev= 4.95, samples=316 lat (usec) : 50=0.29%, 100=3.78%, 250=0.39%, 500=0.10% lat (msec) : 2=4.36%, 4=2.18%, 10=6.87%, 20=7.00%, 50=32.10% lat (msec) : 100=30.53%, 250=11.91%, 500=0.46%, 2000=0.03% cpu : usr=0.09%, sys=4.87%, ctx=6683, majf=0, minf=20 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1513,1559,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=147KiB/s (150kB/s), 36.8KiB/s-37.3KiB/s (37.7kB/s-38.2kB/s), io=23.4MiB (24.6MB), run=159212-163717msec WRITE: bw=154KiB/s (157kB/s), 38.1KiB/s-39.9KiB/s (39.0kB/s-40.8kB/s), io=24.6MiB (25.7MB), run=159212-163717msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145124: Thu Jun 11 18:11:58 2026 read: IOPS=4, BW=19.4KiB/s (19.8kB/s)(5992KiB/309303msec) clat (msec): min=5, max=957, avg=43.33, stdev=49.58 lat (msec): min=5, max=957, avg=43.34, stdev=49.58 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 12], 10.00th=[ 14], 20.00th=[ 17], | 30.00th=[ 20], 40.00th=[ 24], 50.00th=[ 28], 60.00th=[ 34], | 70.00th=[ 44], 80.00th=[ 62], 90.00th=[ 91], 95.00th=[ 122], | 99.00th=[ 228], 99.50th=[ 342], 99.90th=[ 472], 99.95th=[ 961], | 99.99th=[ 961] bw ( KiB/s): min= 7, max= 95, per=29.02%, avg=22.35, stdev=15.68, samples=515 iops : min= 1, max= 23, avg= 4.91, stdev= 4.00, samples=515 write: IOPS=5, BW=20.4KiB/s (20.8kB/s)(6296KiB/309303msec); 0 zone resets clat (msec): min=35, max=854, avg=154.90, stdev=80.41 lat (msec): min=35, max=854, avg=154.91, stdev=80.41 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 69], 10.00th=[ 79], 20.00th=[ 94], | 30.00th=[ 108], 40.00th=[ 121], 50.00th=[ 136], 60.00th=[ 153], | 70.00th=[ 176], 80.00th=[ 203], 90.00th=[ 255], 95.00th=[ 309], | 99.00th=[ 443], 99.50th=[ 550], 99.90th=[ 651], 99.95th=[ 852], | 99.99th=[ 852] bw ( KiB/s): min= 7, max= 55, per=25.15%, avg=20.12, stdev= 9.75, samples=598 iops : min= 1, max= 13, avg= 4.35, stdev= 2.48, samples=598 lat (msec) : 10=1.37%, 20=13.44%, 50=22.20%, 100=20.54%, 250=36.52% lat (msec) : 500=5.53%, 750=0.33%, 1000=0.07% cpu : usr=0.04%, sys=1.34%, ctx=5203, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1498,1574,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145125: Thu Jun 11 18:11:58 2026 read: IOPS=4, BW=19.1KiB/s (19.6kB/s)(5940KiB/310955msec) clat (msec): min=7, max=896, avg=44.81, stdev=49.89 lat (msec): min=7, max=896, avg=44.82, stdev=49.90 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 12], 10.00th=[ 14], 20.00th=[ 17], | 30.00th=[ 21], 40.00th=[ 24], 50.00th=[ 29], 60.00th=[ 35], | 70.00th=[ 45], 80.00th=[ 62], 90.00th=[ 101], 95.00th=[ 134], | 99.00th=[ 226], 99.50th=[ 305], 99.90th=[ 468], 99.95th=[ 894], | 99.99th=[ 894] bw ( KiB/s): min= 7, max= 87, per=29.30%, avg=22.56, stdev=14.77, samples=505 iops : min= 1, max= 21, avg= 4.97, stdev= 3.73, samples=505 write: IOPS=5, BW=20.4KiB/s (20.9kB/s)(6348KiB/310955msec); 0 zone resets clat (msec): min=31, max=843, avg=153.64, stdev=79.54 lat (msec): min=31, max=843, avg=153.64, stdev=79.54 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 68], 10.00th=[ 80], 20.00th=[ 94], | 30.00th=[ 107], 40.00th=[ 121], 50.00th=[ 136], 60.00th=[ 150], | 70.00th=[ 171], 80.00th=[ 205], 90.00th=[ 255], 95.00th=[ 305], | 99.00th=[ 426], 99.50th=[ 481], 99.90th=[ 651], 99.95th=[ 844], | 99.99th=[ 844] bw ( KiB/s): min= 7, max= 55, per=25.27%, avg=20.22, stdev= 9.82, samples=600 iops : min= 1, max= 13, avg= 4.38, stdev= 2.52, samples=600 lat (msec) : 10=1.33%, 20=12.76%, 50=21.78%, 100=20.74%, 250=37.57% lat (msec) : 500=5.63%, 750=0.13%, 1000=0.07% cpu : usr=0.04%, sys=1.32%, ctx=5221, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1485,1587,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145127: Thu Jun 11 18:11:58 2026 read: IOPS=4, BW=19.4KiB/s (19.9kB/s)(6028KiB/310057msec) clat (msec): min=6, max=580, avg=46.89, stdev=51.14 lat (msec): min=6, max=580, avg=46.90, stdev=51.14 clat percentiles (msec): | 1.00th=[ 9], 5.00th=[ 12], 10.00th=[ 14], 20.00th=[ 17], | 30.00th=[ 21], 40.00th=[ 25], 50.00th=[ 30], 60.00th=[ 37], | 70.00th=[ 47], 80.00th=[ 66], 90.00th=[ 104], 95.00th=[ 138], | 99.00th=[ 247], 99.50th=[ 351], 99.90th=[ 558], 99.95th=[ 584], | 99.99th=[ 584] bw ( KiB/s): min= 7, max= 88, per=28.47%, avg=21.92, stdev=15.13, samples=527 iops : min= 1, max= 22, avg= 4.81, stdev= 3.82, samples=527 write: IOPS=5, BW=20.2KiB/s (20.7kB/s)(6260KiB/310057msec); 0 zone resets clat (msec): min=44, max=1064, avg=152.63, stdev=77.45 lat (msec): min=44, max=1064, avg=152.64, stdev=77.45 clat percentiles (msec): | 1.00th=[ 56], 5.00th=[ 71], 10.00th=[ 81], 20.00th=[ 94], | 30.00th=[ 107], 40.00th=[ 120], 50.00th=[ 134], 60.00th=[ 150], | 70.00th=[ 167], 80.00th=[ 201], 90.00th=[ 255], 95.00th=[ 305], | 99.00th=[ 414], 99.50th=[ 481], 99.90th=[ 575], 99.95th=[ 1062], | 99.99th=[ 1062] bw ( KiB/s): min= 7, max= 55, per=25.41%, avg=20.33, stdev= 9.76, samples=588 iops : min= 1, max= 13, avg= 4.41, stdev= 2.50, samples=588 lat (msec) : 10=1.40%, 20=12.47%, 50=21.55%, 100=20.87%, 250=37.86% lat (msec) : 500=5.66%, 750=0.16%, 2000=0.03% cpu : usr=0.04%, sys=1.37%, ctx=5330, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1507,1565,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145128: Thu Jun 11 18:11:58 2026 read: IOPS=4, BW=19.6KiB/s (20.0kB/s)(6052KiB/309100msec) clat (msec): min=5, max=552, avg=44.88, stdev=46.73 lat (msec): min=5, max=552, avg=44.89, stdev=46.73 clat percentiles (msec): | 1.00th=[ 8], 5.00th=[ 12], 10.00th=[ 14], 20.00th=[ 17], | 30.00th=[ 21], 40.00th=[ 24], 50.00th=[ 30], 60.00th=[ 36], | 70.00th=[ 46], 80.00th=[ 63], 90.00th=[ 96], 95.00th=[ 131], | 99.00th=[ 220], 99.50th=[ 305], 99.90th=[ 472], 99.95th=[ 550], | 99.99th=[ 550] bw ( KiB/s): min= 7, max= 88, per=29.30%, avg=22.56, stdev=15.48, samples=515 iops : min= 1, max= 22, avg= 4.97, stdev= 3.91, samples=515 write: IOPS=5, BW=20.2KiB/s (20.7kB/s)(6236KiB/309100msec); 0 zone resets clat (msec): min=36, max=996, avg=154.37, stdev=79.06 lat (msec): min=36, max=996, avg=154.38, stdev=79.06 clat percentiles (msec): | 1.00th=[ 55], 5.00th=[ 72], 10.00th=[ 81], 20.00th=[ 95], | 30.00th=[ 108], 40.00th=[ 121], 50.00th=[ 134], 60.00th=[ 150], | 70.00th=[ 171], 80.00th=[ 203], 90.00th=[ 259], 95.00th=[ 309], | 99.00th=[ 430], 99.50th=[ 468], 99.90th=[ 584], 99.95th=[ 995], | 99.99th=[ 995] bw ( KiB/s): min= 7, max= 55, per=25.27%, avg=20.21, stdev= 9.37, samples=589 iops : min= 1, max= 13, avg= 4.38, stdev= 2.41, samples=589 lat (msec) : 10=1.66%, 20=12.83%, 50=21.94%, 100=20.18%, 250=37.40% lat (msec) : 500=5.83%, 750=0.13%, 1000=0.03% cpu : usr=0.05%, sys=1.36%, ctx=5219, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1513,1559,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=77.2KiB/s (79.1kB/s), 19.1KiB/s-19.6KiB/s (19.6kB/s-20.0kB/s), io=23.4MiB (24.6MB), run=309100-310955msec WRITE: bw=80.8KiB/s (82.8kB/s), 20.2KiB/s-20.4KiB/s (20.7kB/s-20.9kB/s), io=24.6MiB (25.7MB), run=309100-310955msec mix direct rw 16384 by fio with 4 jobs... mix buffer rw 16384 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 16.0KiB-16.0KiB, (W) 16.0KiB-16.0KiB, (T) 16.0KiB-16.0KiB, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 16.0KiB-16.0KiB, (W) 16.0KiB-16.0KiB, (T) 16.0KiB-16.0KiB, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=145196: Thu Jun 11 18:12:53 2026 read: IOPS=9, BW=160KiB/s (164kB/s)(5920KiB/37072msec) clat (usec): min=41, max=341466, avg=52084.28, stdev=43918.88 lat (usec): min=41, max=341468, avg=52086.34, stdev=43918.72 clat percentiles (usec): | 1.00th=[ 46], 5.00th=[ 69], 10.00th=[ 81], 20.00th=[ 359], | 30.00th=[ 28967], 40.00th=[ 35914], 50.00th=[ 46400], 60.00th=[ 57934], | 70.00th=[ 70779], 80.00th=[ 85459], 90.00th=[101188], 95.00th=[126354], | 99.00th=[181404], 99.50th=[223347], 99.90th=[341836], 99.95th=[341836], | 99.99th=[341836] bw ( KiB/s): min= 31, max= 289, per=26.26%, avg=159.38, stdev=70.95, samples=72 iops : min= 1, max= 18, avg= 9.21, stdev= 4.50, samples=72 write: IOPS=10, BW=172KiB/s (176kB/s)(6368KiB/37072msec); 0 zone resets clat (usec): min=1910, max=331334, avg=43430.44, stdev=48378.13 lat (usec): min=1912, max=331339, avg=43438.76, stdev=48380.47 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 3], 10.00th=[ 5], 20.00th=[ 8], | 30.00th=[ 12], 40.00th=[ 17], 50.00th=[ 24], 60.00th=[ 39], | 70.00th=[ 56], 80.00th=[ 80], 90.00th=[ 103], 95.00th=[ 130], | 99.00th=[ 249], 99.50th=[ 300], 99.90th=[ 330], 99.95th=[ 330], | 99.99th=[ 330] bw ( KiB/s): min= 22, max= 433, per=26.93%, avg=172.07, stdev=87.87, samples=72 iops : min= 1, max= 27, avg= 9.99, stdev= 5.54, samples=72 lat (usec) : 50=0.78%, 100=7.03%, 250=1.56%, 500=0.39%, 750=0.13% lat (msec) : 2=0.52%, 4=4.56%, 10=8.33%, 20=11.20%, 50=25.78% lat (msec) : 100=29.30%, 250=9.90%, 500=0.52% cpu : usr=0.06%, sys=5.38%, ctx=1505, majf=0, minf=14 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145197: Thu Jun 11 18:12:53 2026 read: IOPS=9, BW=154KiB/s (158kB/s)(5744KiB/37280msec) clat (usec): min=28, max=254471, avg=55269.66, stdev=44929.52 lat (usec): min=29, max=254473, avg=55271.98, stdev=44929.70 clat percentiles (usec): | 1.00th=[ 47], 5.00th=[ 73], 10.00th=[ 83], 20.00th=[ 383], | 30.00th=[ 31065], 40.00th=[ 40633], 50.00th=[ 51643], 60.00th=[ 61604], | 70.00th=[ 73925], 80.00th=[ 88605], 90.00th=[109577], 95.00th=[131597], | 99.00th=[208667], 99.50th=[227541], 99.90th=[254804], 99.95th=[254804], | 99.99th=[254804] bw ( KiB/s): min= 31, max= 412, per=25.70%, avg=155.97, stdev=67.63, samples=71 iops : min= 1, max= 25, avg= 8.97, stdev= 4.28, samples=71 write: IOPS=10, BW=176KiB/s (180kB/s)(6544KiB/37280msec); 0 zone resets clat (usec): min=1873, max=231486, avg=42178.42, stdev=40538.75 lat (usec): min=1876, max=231489, avg=42181.78, stdev=40538.55 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 3], 10.00th=[ 5], 20.00th=[ 9], | 30.00th=[ 13], 40.00th=[ 20], 50.00th=[ 28], 60.00th=[ 39], | 70.00th=[ 57], 80.00th=[ 77], 90.00th=[ 100], 95.00th=[ 123], | 99.00th=[ 163], 99.50th=[ 197], 99.90th=[ 232], 99.95th=[ 232], | 99.99th=[ 232] bw ( KiB/s): min= 31, max= 375, per=27.30%, avg=174.43, stdev=81.70, samples=72 iops : min= 1, max= 23, avg=10.12, stdev= 5.18, samples=72 lat (usec) : 50=1.04%, 100=6.51%, 250=1.56%, 500=0.65%, 750=0.13% lat (msec) : 2=0.52%, 4=4.69%, 10=7.42%, 20=10.03%, 50=25.39% lat (msec) : 100=30.60%, 250=11.33%, 500=0.13% cpu : usr=0.10%, sys=5.49%, ctx=1562, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145198: Thu Jun 11 18:12:53 2026 read: IOPS=9, BW=159KiB/s (163kB/s)(6256KiB/39399msec) clat (usec): min=37, max=221975, avg=49130.57, stdev=41404.56 lat (usec): min=37, max=221977, avg=49132.33, stdev=41404.58 clat percentiles (usec): | 1.00th=[ 43], 5.00th=[ 64], 10.00th=[ 77], 20.00th=[ 103], | 30.00th=[ 24773], 40.00th=[ 34866], 50.00th=[ 46400], 60.00th=[ 55313], | 70.00th=[ 68682], 80.00th=[ 84411], 90.00th=[104334], 95.00th=[119014], | 99.00th=[175113], 99.50th=[185598], 99.90th=[221250], 99.95th=[221250], | 99.99th=[221250] bw ( KiB/s): min= 31, max= 534, per=27.07%, avg=164.32, stdev=99.16, samples=74 iops : min= 1, max= 33, avg= 9.50, stdev= 6.31, samples=74 write: IOPS=9, BW=153KiB/s (157kB/s)(6032KiB/39399msec); 0 zone resets clat (usec): min=1826, max=530873, avg=51623.71, stdev=65769.93 lat (usec): min=1828, max=530876, avg=51627.03, stdev=65770.08 clat percentiles (usec): | 1.00th=[ 1991], 5.00th=[ 2409], 10.00th=[ 4424], 20.00th=[ 8586], | 30.00th=[ 15008], 40.00th=[ 20579], 50.00th=[ 30540], 60.00th=[ 42730], | 70.00th=[ 56886], 80.00th=[ 74974], 90.00th=[125305], 95.00th=[185598], | 99.00th=[320865], 99.50th=[484443], 99.90th=[530580], 99.95th=[530580], | 99.99th=[530580] bw ( KiB/s): min= 31, max= 407, per=23.72%, avg=151.57, stdev=82.84, samples=76 iops : min= 1, max= 25, avg= 8.68, stdev= 5.24, samples=76 lat (usec) : 50=1.69%, 100=8.20%, 250=2.08%, 500=0.13%, 750=0.26% lat (msec) : 2=0.91%, 4=3.65%, 10=7.55%, 20=8.72%, 50=25.91% lat (msec) : 100=27.34%, 250=12.63%, 500=0.78%, 750=0.13% cpu : usr=0.08%, sys=5.16%, ctx=1598, majf=0, minf=15 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145199: Thu Jun 11 18:12:53 2026 read: IOPS=9, BW=153KiB/s (157kB/s)(6032KiB/39372msec) clat (usec): min=41, max=237617, avg=53220.32, stdev=41422.75 lat (usec): min=41, max=237619, avg=53227.14, stdev=41418.70 clat percentiles (usec): | 1.00th=[ 48], 5.00th=[ 70], 10.00th=[ 83], 20.00th=[ 3851], | 30.00th=[ 32113], 40.00th=[ 43254], 50.00th=[ 51119], 60.00th=[ 58983], | 70.00th=[ 66847], 80.00th=[ 83362], 90.00th=[106431], 95.00th=[126354], | 99.00th=[170918], 99.50th=[225444], 99.90th=[238027], 99.95th=[238027], | 99.99th=[238027] bw ( KiB/s): min= 31, max= 446, per=25.85%, avg=156.91, stdev=76.71, samples=74 iops : min= 1, max= 27, avg= 9.03, stdev= 4.83, samples=74 write: IOPS=9, BW=159KiB/s (163kB/s)(6256KiB/39372msec); 0 zone resets clat (usec): min=1812, max=410613, avg=48176.63, stdev=55728.79 lat (usec): min=1815, max=410615, avg=48189.55, stdev=55727.73 clat percentiles (msec): | 1.00th=[ 3], 5.00th=[ 3], 10.00th=[ 5], 20.00th=[ 9], | 30.00th=[ 13], 40.00th=[ 20], 50.00th=[ 33], 60.00th=[ 42], | 70.00th=[ 58], 80.00th=[ 75], 90.00th=[ 114], 95.00th=[ 142], | 99.00th=[ 317], 99.50th=[ 355], 99.90th=[ 409], 99.95th=[ 409], | 99.99th=[ 409] bw ( KiB/s): min= 21, max= 414, per=24.88%, avg=158.99, stdev=84.83, samples=76 iops : min= 1, max= 25, avg= 9.16, stdev= 5.34, samples=76 lat (usec) : 50=1.04%, 100=6.51%, 250=1.56%, 500=0.13%, 1000=0.26% lat (msec) : 2=0.52%, 4=3.91%, 10=8.07%, 20=9.64%, 50=25.26% lat (msec) : 100=30.21%, 250=12.11%, 500=0.78% cpu : usr=0.07%, sys=5.63%, ctx=1649, majf=0, minf=16 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=608KiB/s (623kB/s), 153KiB/s-160KiB/s (157kB/s-164kB/s), io=23.4MiB (24.5MB), run=37072-39399msec WRITE: bw=640KiB/s (655kB/s), 153KiB/s-176KiB/s (157kB/s-180kB/s), io=24.6MiB (25.8MB), run=37072-39399msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145191: Thu Jun 11 18:13:35 2026 read: IOPS=4, BW=74.0KiB/s (75.8kB/s)(5920KiB/79953msec) clat (msec): min=8, max=457, avg=52.84, stdev=52.73 lat (msec): min=8, max=457, avg=52.86, stdev=52.74 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 13], 10.00th=[ 17], 20.00th=[ 22], | 30.00th=[ 27], 40.00th=[ 32], 50.00th=[ 37], 60.00th=[ 45], | 70.00th=[ 54], 80.00th=[ 66], 90.00th=[ 103], 95.00th=[ 159], | 99.00th=[ 268], 99.50th=[ 355], 99.90th=[ 460], 99.95th=[ 460], | 99.99th=[ 460] bw ( KiB/s): min= 30, max= 319, per=28.42%, avg=83.84, stdev=53.04, samples=137 iops : min= 1, max= 19, avg= 4.40, stdev= 3.34, samples=137 write: IOPS=4, BW=79.6KiB/s (81.6kB/s)(6368KiB/79953msec); 0 zone resets clat (msec): min=48, max=594, avg=151.46, stdev=79.90 lat (msec): min=48, max=594, avg=151.48, stdev=79.90 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 65], 10.00th=[ 77], 20.00th=[ 90], | 30.00th=[ 103], 40.00th=[ 114], 50.00th=[ 128], 60.00th=[ 144], | 70.00th=[ 165], 80.00th=[ 203], 90.00th=[ 275], 95.00th=[ 326], | 99.00th=[ 405], 99.50th=[ 430], 99.90th=[ 592], 99.95th=[ 592], | 99.99th=[ 592] bw ( KiB/s): min= 24, max= 223, per=25.86%, avg=80.18, stdev=39.79, samples=155 iops : min= 1, max= 13, avg= 4.17, stdev= 2.52, samples=155 lat (msec) : 10=0.78%, 20=6.90%, 50=24.22%, 100=26.17%, 250=34.90% lat (msec) : 500=6.90%, 750=0.13% cpu : usr=0.04%, sys=1.47%, ctx=1396, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145192: Thu Jun 11 18:13:35 2026 read: IOPS=4, BW=70.9KiB/s (72.6kB/s)(5744KiB/81045msec) clat (msec): min=7, max=346, avg=52.74, stdev=48.60 lat (msec): min=7, max=346, avg=52.74, stdev=48.60 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 14], 10.00th=[ 17], 20.00th=[ 23], | 30.00th=[ 27], 40.00th=[ 32], 50.00th=[ 37], 60.00th=[ 45], | 70.00th=[ 54], 80.00th=[ 72], 90.00th=[ 105], 95.00th=[ 150], | 99.00th=[ 247], 99.50th=[ 284], 99.90th=[ 347], 99.95th=[ 347], | 99.99th=[ 347] bw ( KiB/s): min= 24, max= 286, per=29.59%, avg=87.28, stdev=58.61, samples=128 iops : min= 1, max= 17, avg= 4.63, stdev= 3.66, samples=128 write: IOPS=5, BW=80.7KiB/s (82.7kB/s)(6544KiB/81045msec); 0 zone resets clat (msec): min=38, max=473, avg=150.59, stdev=75.76 lat (msec): min=38, max=473, avg=150.60, stdev=75.76 clat percentiles (msec): | 1.00th=[ 55], 5.00th=[ 67], 10.00th=[ 77], 20.00th=[ 91], | 30.00th=[ 106], 40.00th=[ 114], 50.00th=[ 129], 60.00th=[ 148], | 70.00th=[ 169], 80.00th=[ 203], 90.00th=[ 271], 95.00th=[ 296], | 99.00th=[ 414], 99.50th=[ 414], 99.90th=[ 472], 99.95th=[ 472], | 99.99th=[ 472] bw ( KiB/s): min= 30, max= 222, per=27.25%, avg=84.47, stdev=38.40, samples=151 iops : min= 1, max= 13, avg= 4.44, stdev= 2.43, samples=151 lat (msec) : 10=0.65%, 20=6.64%, 50=23.96%, 100=23.31%, 250=38.93% lat (msec) : 500=6.51% cpu : usr=0.05%, sys=1.56%, ctx=1464, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145193: Thu Jun 11 18:13:35 2026 read: IOPS=4, BW=79.2KiB/s (81.1kB/s)(6256KiB/79030msec) clat (msec): min=7, max=444, avg=52.82, stdev=48.18 lat (msec): min=7, max=444, avg=52.83, stdev=48.17 clat percentiles (msec): | 1.00th=[ 11], 5.00th=[ 15], 10.00th=[ 18], 20.00th=[ 23], | 30.00th=[ 29], 40.00th=[ 34], 50.00th=[ 38], 60.00th=[ 45], | 70.00th=[ 54], 80.00th=[ 69], 90.00th=[ 104], 95.00th=[ 144], | 99.00th=[ 230], 99.50th=[ 330], 99.90th=[ 447], 99.95th=[ 447], | 99.99th=[ 447] bw ( KiB/s): min= 30, max= 349, per=30.88%, avg=91.08, stdev=58.35, samples=135 iops : min= 1, max= 21, avg= 4.86, stdev= 3.68, samples=135 write: IOPS=4, BW=76.3KiB/s (78.2kB/s)(6032KiB/79030msec); 0 zone resets clat (msec): min=50, max=556, avg=154.24, stdev=84.03 lat (msec): min=50, max=556, avg=154.25, stdev=84.03 clat percentiles (msec): | 1.00th=[ 57], 5.00th=[ 67], 10.00th=[ 80], 20.00th=[ 90], | 30.00th=[ 103], 40.00th=[ 116], 50.00th=[ 128], 60.00th=[ 150], | 70.00th=[ 171], 80.00th=[ 205], 90.00th=[ 275], 95.00th=[ 334], | 99.00th=[ 481], 99.50th=[ 531], 99.90th=[ 558], 99.95th=[ 558], | 99.99th=[ 558] bw ( KiB/s): min= 24, max= 191, per=24.81%, avg=76.90, stdev=38.86, samples=153 iops : min= 1, max= 11, avg= 3.97, stdev= 2.45, samples=153 lat (msec) : 10=0.26%, 20=7.55%, 50=26.30%, 100=24.87%, 250=34.77% lat (msec) : 500=5.86%, 750=0.39% cpu : usr=0.05%, sys=1.63%, ctx=1516, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145195: Thu Jun 11 18:13:35 2026 read: IOPS=4, BW=76.4KiB/s (78.2kB/s)(6032KiB/78976msec) clat (msec): min=7, max=399, avg=50.85, stdev=44.62 lat (msec): min=7, max=399, avg=50.85, stdev=44.62 clat percentiles (msec): | 1.00th=[ 10], 5.00th=[ 15], 10.00th=[ 17], 20.00th=[ 22], | 30.00th=[ 27], 40.00th=[ 32], 50.00th=[ 39], 60.00th=[ 46], | 70.00th=[ 55], 80.00th=[ 70], 90.00th=[ 95], 95.00th=[ 144], | 99.00th=[ 211], 99.50th=[ 305], 99.90th=[ 401], 99.95th=[ 401], | 99.99th=[ 401] bw ( KiB/s): min= 30, max= 319, per=30.41%, avg=89.72, stdev=58.83, samples=131 iops : min= 1, max= 19, avg= 4.78, stdev= 3.71, samples=131 write: IOPS=4, BW=79.2KiB/s (81.1kB/s)(6256KiB/78976msec); 0 zone resets clat (msec): min=45, max=571, avg=152.12, stdev=77.16 lat (msec): min=45, max=571, avg=152.12, stdev=77.15 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 65], 10.00th=[ 77], 20.00th=[ 94], | 30.00th=[ 105], 40.00th=[ 121], 50.00th=[ 133], 60.00th=[ 148], | 70.00th=[ 169], 80.00th=[ 199], 90.00th=[ 262], 95.00th=[ 309], | 99.00th=[ 401], 99.50th=[ 430], 99.90th=[ 575], 99.95th=[ 575], | 99.99th=[ 575] bw ( KiB/s): min= 23, max= 192, per=25.86%, avg=80.16, stdev=41.56, samples=153 iops : min= 1, max= 12, avg= 4.18, stdev= 2.66, samples=153 lat (msec) : 10=0.52%, 20=7.55%, 50=23.83%, 100=26.43%, 250=35.29% lat (msec) : 500=6.25%, 750=0.13% cpu : usr=0.05%, sys=1.58%, ctx=1451, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=296KiB/s (303kB/s), 70.9KiB/s-79.2KiB/s (72.6kB/s-81.1kB/s), io=23.4MiB (24.5MB), run=78976-81045msec WRITE: bw=311KiB/s (318kB/s), 76.3KiB/s-80.7KiB/s (78.2kB/s-82.7kB/s), io=24.6MiB (25.8MB), run=78976-81045msec mix direct rw 1048576 by fio with 4 jobs... mix buffer rw 1048576 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 1024KiB-1024KiB, (W) 1024KiB-1024KiB, (T) 1024KiB-1024KiB, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 1024KiB-1024KiB, (W) 1024KiB-1024KiB, (T) 1024KiB-1024KiB, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=145219: Thu Jun 11 18:13:51 2026 read: IOPS=2, BW=2184KiB/s (2236kB/s)(7168KiB/3282msec) clat (usec): min=674, max=416058, avg=256321.57, stdev=135317.25 lat (usec): min=675, max=416060, avg=256323.53, stdev=135317.60 clat percentiles (usec): | 1.00th=[ 676], 5.00th=[ 676], 10.00th=[ 676], 20.00th=[189793], | 30.00th=[238027], 40.00th=[238027], 50.00th=[291505], 60.00th=[295699], | 70.00th=[295699], 80.00th=[362808], 90.00th=[417334], 95.00th=[417334], | 99.00th=[417334], 99.50th=[417334], 99.90th=[417334], 99.95th=[417334], | 99.99th=[417334] bw ( KiB/s): min= 2000, max= 3864, per=75.78%, avg=2924.33, stdev=932.09, samples=3 iops : min= 1, max= 3, avg= 2.00, stdev= 1.00, samples=3 write: IOPS=1, BW=1560KiB/s (1597kB/s)(5120KiB/3282msec); 0 zone resets clat (msec): min=153, max=443, avg=289.54, stdev=142.31 lat (msec): min=153, max=443, avg=289.80, stdev=142.48 clat percentiles (msec): | 1.00th=[ 155], 5.00th=[ 155], 10.00th=[ 155], 20.00th=[ 155], | 30.00th=[ 163], 40.00th=[ 163], 50.00th=[ 253], 60.00th=[ 253], | 70.00th=[ 435], 80.00th=[ 435], 90.00th=[ 443], 95.00th=[ 443], | 99.00th=[ 443], 99.50th=[ 443], 99.90th=[ 443], 99.95th=[ 443], | 99.99th=[ 443] bw ( KiB/s): min= 2000, max= 3835, per=48.49%, avg=2619.33, stdev=1052.86, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 lat (usec) : 750=8.33% lat (msec) : 250=33.33%, 500=58.33% cpu : usr=0.00%, sys=17.43%, ctx=228, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=7,5,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145220: Thu Jun 11 18:13:51 2026 read: IOPS=0, BW=386KiB/s (395kB/s)(2048KiB/5307msec) clat (msec): min=3, max=266, avg=134.97, stdev=185.95 lat (msec): min=3, max=266, avg=134.98, stdev=185.97 clat percentiles (msec): | 1.00th=[ 4], 5.00th=[ 4], 10.00th=[ 4], 20.00th=[ 4], | 30.00th=[ 4], 40.00th=[ 4], 50.00th=[ 4], 60.00th=[ 268], | 70.00th=[ 268], 80.00th=[ 268], 90.00th=[ 268], 95.00th=[ 268], | 99.00th=[ 268], 99.50th=[ 268], 99.90th=[ 268], 99.95th=[ 268], | 99.99th=[ 268] bw ( KiB/s): min= 1549, max= 2007, per=46.07%, avg=1778.00, stdev=323.85, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 write: IOPS=1, BW=1930KiB/s (1976kB/s)(10.0MiB/5307msec); 0 zone resets clat (msec): min=129, max=1184, avg=486.74, stdev=323.09 lat (msec): min=129, max=1184, avg=486.89, stdev=323.10 clat percentiles (msec): | 1.00th=[ 130], 5.00th=[ 130], 10.00th=[ 130], 20.00th=[ 161], | 30.00th=[ 313], 40.00th=[ 326], 50.00th=[ 334], 60.00th=[ 430], | 70.00th=[ 510], 80.00th=[ 693], 90.00th=[ 793], 95.00th=[ 1183], | 99.00th=[ 1183], 99.50th=[ 1183], 99.90th=[ 1183], 99.95th=[ 1183], | 99.99th=[ 1183] bw ( KiB/s): min= 2000, max= 3864, per=41.60%, avg=2247.25, stdev=653.36, samples=8 iops : min= 1, max= 3, avg= 1.25, stdev= 0.71, samples=8 lat (msec) : 4=8.33%, 250=16.67%, 500=41.67%, 750=16.67%, 1000=8.33% lat (msec) : 2000=8.33% cpu : usr=0.00%, sys=13.12%, ctx=199, majf=0, minf=12 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=2,10,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145221: Thu Jun 11 18:13:51 2026 read: IOPS=1, BW=1281KiB/s (1312kB/s)(6144KiB/4797msec) clat (usec): min=703, max=618971, avg=217367.70, stdev=246183.46 lat (usec): min=705, max=618972, avg=217369.41, stdev=246183.33 clat percentiles (usec): | 1.00th=[ 701], 5.00th=[ 701], 10.00th=[ 701], 20.00th=[ 6980], | 30.00th=[ 6980], 40.00th=[ 44827], 50.00th=[ 44827], 60.00th=[291505], | 70.00th=[341836], 80.00th=[341836], 90.00th=[616563], 95.00th=[616563], | 99.00th=[616563], 99.50th=[616563], 99.90th=[616563], 99.95th=[616563], | 99.99th=[616563] bw ( KiB/s): min= 2023, max= 4047, per=87.11%, avg=3361.67, stdev=1159.43, samples=3 iops : min= 1, max= 3, avg= 2.33, stdev= 1.15, samples=3 write: IOPS=1, BW=1281KiB/s (1312kB/s)(6144KiB/4797msec); 0 zone resets clat (msec): min=144, max=1042, avg=543.09, stdev=397.02 lat (msec): min=144, max=1042, avg=543.33, stdev=397.21 clat percentiles (msec): | 1.00th=[ 146], 5.00th=[ 146], 10.00th=[ 146], 20.00th=[ 199], | 30.00th=[ 199], 40.00th=[ 296], 50.00th=[ 296], 60.00th=[ 592], | 70.00th=[ 986], 80.00th=[ 986], 90.00th=[ 1045], 95.00th=[ 1045], | 99.00th=[ 1045], 99.50th=[ 1045], 99.90th=[ 1045], 99.95th=[ 1045], | 99.99th=[ 1045] bw ( KiB/s): min= 1577, max= 2023, per=35.38%, avg=1911.33, stdev=169.80, samples=6 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=6 lat (usec) : 750=8.33% lat (msec) : 10=8.33%, 50=8.33%, 250=16.67%, 500=25.00%, 750=16.67% lat (msec) : 1000=8.33%, 2000=8.33% cpu : usr=0.08%, sys=9.78%, ctx=198, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=6,6,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145222: Thu Jun 11 18:13:51 2026 read: IOPS=1, BW=1370KiB/s (1403kB/s)(5120KiB/3736msec) clat (usec): min=799, max=289212, avg=108787.45, stdev=140912.27 lat (usec): min=801, max=289214, avg=108788.79, stdev=140912.19 clat percentiles (usec): | 1.00th=[ 799], 5.00th=[ 799], 10.00th=[ 799], 20.00th=[ 799], | 30.00th=[ 4817], 40.00th=[ 4817], 50.00th=[ 15270], 60.00th=[ 15270], | 70.00th=[233833], 80.00th=[233833], 90.00th=[287310], 95.00th=[287310], | 99.00th=[287310], 99.50th=[287310], 99.90th=[287310], 99.95th=[287310], | 99.99th=[287310] bw ( KiB/s): min= 2023, max= 5752, per=100.00%, avg=3887.50, stdev=2636.80, samples=2 iops : min= 1, max= 5, avg= 3.00, stdev= 2.83, samples=2 write: IOPS=1, BW=1919KiB/s (1965kB/s)(7168KiB/3736msec); 0 zone resets clat (msec): min=228, max=792, avg=449.58, stdev=229.72 lat (msec): min=228, max=792, avg=449.74, stdev=229.71 clat percentiles (msec): | 1.00th=[ 228], 5.00th=[ 228], 10.00th=[ 228], 20.00th=[ 230], | 30.00th=[ 321], 40.00th=[ 321], 50.00th=[ 397], 60.00th=[ 443], | 70.00th=[ 443], 80.00th=[ 735], 90.00th=[ 793], 95.00th=[ 793], | 99.00th=[ 793], 99.50th=[ 793], 99.90th=[ 793], 99.95th=[ 793], | 99.99th=[ 793] bw ( KiB/s): min= 1539, max= 2023, per=35.23%, avg=1903.00, stdev=183.39, samples=6 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=6 lat (usec) : 1000=8.33% lat (msec) : 10=8.33%, 20=8.33%, 250=25.00%, 500=33.33%, 750=8.33% lat (msec) : 1000=8.33% cpu : usr=0.03%, sys=13.41%, ctx=148, majf=0, minf=13 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=3859KiB/s (3952kB/s), 386KiB/s-2184KiB/s (395kB/s-2236kB/s), io=20.0MiB (20.0MB), run=3282-5307msec WRITE: bw=5403KiB/s (5532kB/s), 1281KiB/s-1930KiB/s (1312kB/s-1976kB/s), io=28.0MiB (29.4MB), run=3282-5307msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145223: Thu Jun 11 18:13:52 2026 read: IOPS=1, BW=1492KiB/s (1528kB/s)(7168KiB/4803msec) clat (msec): min=190, max=825, avg=395.72, stdev=247.97 lat (msec): min=190, max=825, avg=395.72, stdev=247.97 clat percentiles (msec): | 1.00th=[ 190], 5.00th=[ 190], 10.00th=[ 190], 20.00th=[ 192], | 30.00th=[ 226], 40.00th=[ 226], 50.00th=[ 300], 60.00th=[ 393], | 70.00th=[ 393], 80.00th=[ 642], 90.00th=[ 827], 95.00th=[ 827], | 99.00th=[ 827], 99.50th=[ 827], 99.90th=[ 827], 99.95th=[ 827], | 99.99th=[ 827] bw ( KiB/s): min= 1662, max= 4079, per=68.28%, avg=2335.20, stdev=984.89, samples=5 iops : min= 1, max= 3, avg= 1.40, stdev= 0.89, samples=5 write: IOPS=1, BW=1066KiB/s (1092kB/s)(5120KiB/4803msec); 0 zone resets clat (msec): min=243, max=545, avg=395.38, stdev=133.17 lat (msec): min=243, max=545, avg=395.49, stdev=133.16 clat percentiles (msec): | 1.00th=[ 245], 5.00th=[ 245], 10.00th=[ 245], 20.00th=[ 245], | 30.00th=[ 268], 40.00th=[ 268], 50.00th=[ 447], 60.00th=[ 447], | 70.00th=[ 477], 80.00th=[ 477], 90.00th=[ 550], 95.00th=[ 550], | 99.00th=[ 550], 99.50th=[ 550], 99.90th=[ 550], 99.95th=[ 550], | 99.99th=[ 550] bw ( KiB/s): min= 2000, max= 3992, per=52.57%, avg=2517.50, stdev=983.17, samples=4 iops : min= 1, max= 3, avg= 1.50, stdev= 1.00, samples=4 lat (msec) : 250=33.33%, 500=41.67%, 750=16.67%, 1000=8.33% cpu : usr=0.00%, sys=3.56%, ctx=95, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=7,5,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145224: Thu Jun 11 18:13:52 2026 read: IOPS=0, BW=347KiB/s (356kB/s)(2048KiB/5899msec) clat (msec): min=169, max=195, avg=182.59, stdev=18.96 lat (msec): min=169, max=195, avg=182.59, stdev=18.96 clat percentiles (msec): | 1.00th=[ 169], 5.00th=[ 169], 10.00th=[ 169], 20.00th=[ 169], | 30.00th=[ 169], 40.00th=[ 169], 50.00th=[ 169], 60.00th=[ 197], | 70.00th=[ 197], 80.00th=[ 197], 90.00th=[ 197], 95.00th=[ 197], | 99.00th=[ 197], 99.50th=[ 197], 99.90th=[ 197], 99.95th=[ 197], | 99.99th=[ 197] bw ( KiB/s): min= 1996, max= 2048, per=59.12%, avg=2022.00, stdev=36.77, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 write: IOPS=1, BW=1736KiB/s (1778kB/s)(10.0MiB/5899msec); 0 zone resets clat (msec): min=240, max=1242, avg=493.45, stdev=311.96 lat (msec): min=240, max=1243, avg=493.65, stdev=311.92 clat percentiles (msec): | 1.00th=[ 241], 5.00th=[ 241], 10.00th=[ 241], 20.00th=[ 259], | 30.00th=[ 288], 40.00th=[ 309], 50.00th=[ 334], 60.00th=[ 359], | 70.00th=[ 550], 80.00th=[ 617], 90.00th=[ 735], 95.00th=[ 1250], | 99.00th=[ 1250], 99.50th=[ 1250], 99.90th=[ 1250], 99.95th=[ 1250], | 99.99th=[ 1250] bw ( KiB/s): min= 1996, max= 4087, per=54.43%, avg=2606.71, stdev=1008.65, samples=7 iops : min= 1, max= 3, avg= 1.57, stdev= 0.98, samples=7 lat (msec) : 250=25.00%, 500=41.67%, 750=25.00%, 2000=8.33% cpu : usr=0.07%, sys=4.09%, ctx=141, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=2,10,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145225: Thu Jun 11 18:13:52 2026 read: IOPS=1, BW=1167KiB/s (1195kB/s)(6144KiB/5265msec) clat (msec): min=87, max=272, avg=189.75, stdev=82.49 lat (msec): min=88, max=272, avg=189.76, stdev=82.49 clat percentiles (msec): | 1.00th=[ 88], 5.00th=[ 88], 10.00th=[ 88], 20.00th=[ 104], | 30.00th=[ 104], 40.00th=[ 165], 50.00th=[ 165], 60.00th=[ 247], | 70.00th=[ 264], 80.00th=[ 264], 90.00th=[ 275], 95.00th=[ 275], | 99.00th=[ 275], 99.50th=[ 275], 99.90th=[ 275], 99.95th=[ 275], | 99.99th=[ 275] bw ( KiB/s): min= 1996, max= 4079, per=98.12%, avg=3355.67, stdev=1178.31, samples=3 iops : min= 1, max= 3, avg= 2.33, stdev= 1.15, samples=3 write: IOPS=1, BW=1167KiB/s (1195kB/s)(6144KiB/5265msec); 0 zone resets clat (msec): min=336, max=970, avg=591.82, stdev=228.10 lat (msec): min=337, max=971, avg=592.03, stdev=228.28 clat percentiles (msec): | 1.00th=[ 338], 5.00th=[ 338], 10.00th=[ 338], 20.00th=[ 468], | 30.00th=[ 468], 40.00th=[ 498], 50.00th=[ 498], 60.00th=[ 535], | 70.00th=[ 743], 80.00th=[ 743], 90.00th=[ 969], 95.00th=[ 969], | 99.00th=[ 969], 99.50th=[ 969], 99.90th=[ 969], 99.95th=[ 969], | 99.99th=[ 969] bw ( KiB/s): min= 1928, max= 2048, per=41.81%, avg=2002.20, stdev=47.44, samples=5 iops : min= 1, max= 2, avg= 1.20, stdev= 0.45, samples=5 lat (msec) : 100=8.33%, 250=25.00%, 500=41.67%, 750=16.67%, 1000=8.33% cpu : usr=0.00%, sys=4.50%, ctx=87, majf=0, minf=9 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=6,6,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145226: Thu Jun 11 18:13:52 2026 read: IOPS=0, BW=855KiB/s (876kB/s)(5120KiB/5987msec) clat (msec): min=112, max=355, avg=233.64, stdev=109.74 lat (msec): min=112, max=355, avg=233.65, stdev=109.73 clat percentiles (msec): | 1.00th=[ 113], 5.00th=[ 113], 10.00th=[ 113], 20.00th=[ 113], | 30.00th=[ 125], 40.00th=[ 125], 50.00th=[ 271], 60.00th=[ 271], | 70.00th=[ 309], 80.00th=[ 309], 90.00th=[ 355], 95.00th=[ 355], | 99.00th=[ 355], 99.50th=[ 355], 99.90th=[ 355], 99.95th=[ 355], | 99.99th=[ 355] bw ( KiB/s): min= 1996, max= 4079, per=78.66%, avg=2690.33, stdev=1202.62, samples=3 iops : min= 1, max= 3, avg= 1.67, stdev= 1.15, samples=3 write: IOPS=1, BW=1197KiB/s (1226kB/s)(7168KiB/5987msec); 0 zone resets clat (msec): min=235, max=1203, avg=672.71, stdev=362.21 lat (msec): min=235, max=1204, avg=673.04, stdev=362.45 clat percentiles (msec): | 1.00th=[ 236], 5.00th=[ 236], 10.00th=[ 236], 20.00th=[ 317], | 30.00th=[ 510], 40.00th=[ 510], 50.00th=[ 592], 60.00th=[ 818], | 70.00th=[ 818], 80.00th=[ 1036], 90.00th=[ 1200], 95.00th=[ 1200], | 99.00th=[ 1200], 99.50th=[ 1200], 99.90th=[ 1200], 99.95th=[ 1200], | 99.99th=[ 1200] bw ( KiB/s): min= 1996, max= 4087, per=50.87%, avg=2436.20, stdev=923.06, samples=5 iops : min= 1, max= 3, avg= 1.60, stdev= 0.89, samples=5 lat (msec) : 250=25.00%, 500=33.33%, 750=16.67%, 1000=8.33%, 2000=16.67% cpu : usr=0.08%, sys=3.52%, ctx=93, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=5,7,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=3421KiB/s (3503kB/s), 347KiB/s-1492KiB/s (356kB/s-1528kB/s), io=20.0MiB (20.0MB), run=4803-5987msec WRITE: bw=4789KiB/s (4904kB/s), 1066KiB/s-1736KiB/s (1092kB/s-1778kB/s), io=28.0MiB (29.4MB), run=4803-5987msec mix direct rw 4194304 by fio with 4 jobs... mix buffer rw 4194304 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 4096KiB-4096KiB, (W) 4096KiB-4096KiB, (T) 4096KiB-4096KiB, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 4096KiB-4096KiB, (W) 4096KiB-4096KiB, (T) 4096KiB-4096KiB, ioengine=psync, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=145234: Thu Jun 11 18:14:10 2026 read: IOPS=0, BW=3741KiB/s (3830kB/s)(12.0MiB/3285msec) clat (msec): min=814, max=1242, avg=1046.17, stdev=215.93 lat (msec): min=814, max=1242, avg=1046.17, stdev=215.93 clat percentiles (msec): | 1.00th=[ 818], 5.00th=[ 818], 10.00th=[ 818], 20.00th=[ 818], | 30.00th=[ 818], 40.00th=[ 1083], 50.00th=[ 1083], 60.00th=[ 1083], | 70.00th=[ 1250], 80.00th=[ 1250], 90.00th=[ 1250], 95.00th=[ 1250], | 99.00th=[ 1250], 99.50th=[ 1250], 99.90th=[ 1250], 99.95th=[ 1250], | 99.99th=[ 1250] bw ( KiB/s): min= 7968, max= 8143, per=100.00%, avg=8055.50, stdev=123.74, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 1000=33.33%, 2000=66.67% cpu : usr=0.00%, sys=8.34%, ctx=305, majf=0, minf=9 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=3,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145236: Thu Jun 11 18:14:10 2026 read: IOPS=0, BW=855KiB/s (876kB/s)(4096KiB/4788msec) clat (nsec): min=1220.7M, max=1220.7M, avg=1220695845.00, stdev= 0.00 lat (nsec): min=1220.7M, max=1220.7M, avg=1220700148.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1217], 5.00th=[ 1217], 10.00th=[ 1217], 20.00th=[ 1217], | 30.00th=[ 1217], 40.00th=[ 1217], 50.00th=[ 1217], 60.00th=[ 1217], | 70.00th=[ 1217], 80.00th=[ 1217], 90.00th=[ 1217], 95.00th=[ 1217], | 99.00th=[ 1217], 99.50th=[ 1217], 99.90th=[ 1217], 99.95th=[ 1217], | 99.99th=[ 1217] bw ( KiB/s): min= 8143, max= 8143, per=100.00%, avg=8143.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=1711KiB/s (1752kB/s)(8192KiB/4788msec); 0 zone resets clat (msec): min=1041, max=2450, avg=1745.96, stdev=996.19 lat (msec): min=1048, max=2453, avg=1750.85, stdev=993.64 clat percentiles (msec): | 1.00th=[ 1045], 5.00th=[ 1045], 10.00th=[ 1045], 20.00th=[ 1045], | 30.00th=[ 1045], 40.00th=[ 1045], 50.00th=[ 1045], 60.00th=[ 2467], | 70.00th=[ 2467], 80.00th=[ 2467], 90.00th=[ 2467], 95.00th=[ 2467], | 99.00th=[ 2467], 99.50th=[ 2467], 99.90th=[ 2467], 99.95th=[ 2467], | 99.99th=[ 2467] bw ( KiB/s): min= 7968, max= 7968, per=100.00%, avg=7968.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 2000=66.67%, >=2000=33.33% cpu : usr=0.08%, sys=3.72%, ctx=176, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,2,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145237: Thu Jun 11 18:14:10 2026 write: IOPS=0, BW=3040KiB/s (3113kB/s)(12.0MiB/4042msec); 0 zone resets clat (msec): min=1070, max=1754, avg=1306.67, stdev=388.24 lat (msec): min=1072, max=1755, avg=1309.15, stdev=386.46 clat percentiles (msec): | 1.00th=[ 1070], 5.00th=[ 1070], 10.00th=[ 1070], 20.00th=[ 1070], | 30.00th=[ 1070], 40.00th=[ 1099], 50.00th=[ 1099], 60.00th=[ 1099], | 70.00th=[ 1754], 80.00th=[ 1754], 90.00th=[ 1754], 95.00th=[ 1754], | 99.00th=[ 1754], 99.50th=[ 1754], 99.90th=[ 1754], 99.95th=[ 1754], | 99.99th=[ 1754] bw ( KiB/s): min= 7984, max= 8110, per=100.00%, avg=8047.00, stdev=89.10, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 2000=100.00% cpu : usr=0.12%, sys=4.48%, ctx=81, majf=0, minf=9 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145240: Thu Jun 11 18:14:10 2026 write: IOPS=0, BW=2957KiB/s (3028kB/s)(12.0MiB/4155msec); 0 zone resets clat (msec): min=575, max=1881, avg=1322.99, stdev=672.98 lat (msec): min=576, max=1881, avg=1325.86, stdev=673.95 clat percentiles (msec): | 1.00th=[ 575], 5.00th=[ 575], 10.00th=[ 575], 20.00th=[ 575], | 30.00th=[ 575], 40.00th=[ 1519], 50.00th=[ 1519], 60.00th=[ 1519], | 70.00th=[ 1888], 80.00th=[ 1888], 90.00th=[ 1888], 95.00th=[ 1888], | 99.00th=[ 1888], 99.50th=[ 1888], 99.90th=[ 1888], 99.95th=[ 1888], | 99.99th=[ 1888] bw ( KiB/s): min= 8126, max= 8192, per=100.00%, avg=8159.00, stdev=46.67, samples=2 iops : min= 1, max= 2, avg= 1.50, stdev= 0.71, samples=2 lat (msec) : 750=33.33%, 2000=66.67% cpu : usr=0.00%, sys=2.36%, ctx=46, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=3422KiB/s (3504kB/s), 855KiB/s-3741KiB/s (876kB/s-3830kB/s), io=16.0MiB (16.8MB), run=3285-4788msec WRITE: bw=6844KiB/s (7008kB/s), 1711KiB/s-3040KiB/s (1752kB/s-3113kB/s), io=32.0MiB (33.6MB), run=4042-4788msec rand-rw: (groupid=0, jobs=1): err= 0: pid=145235: Thu Jun 11 18:14:11 2026 read: IOPS=0, BW=3331KiB/s (3411kB/s)(12.0MiB/3689msec) clat (msec): min=417, max=1683, avg=1191.30, stdev=678.40 lat (msec): min=417, max=1683, avg=1191.31, stdev=678.40 clat percentiles (msec): | 1.00th=[ 418], 5.00th=[ 418], 10.00th=[ 418], 20.00th=[ 418], | 30.00th=[ 418], 40.00th=[ 1469], 50.00th=[ 1469], 60.00th=[ 1469], | 70.00th=[ 1687], 80.00th=[ 1687], 90.00th=[ 1687], 95.00th=[ 1687], | 99.00th=[ 1687], 99.50th=[ 1687], 99.90th=[ 1687], 99.95th=[ 1687], | 99.99th=[ 1687] bw ( KiB/s): min= 8094, max= 8110, per=100.00%, avg=8102.00, stdev=11.31, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 2000=66.67% cpu : usr=0.00%, sys=1.98%, ctx=45, majf=0, minf=9 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=3,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145238: Thu Jun 11 18:14:11 2026 read: IOPS=0, BW=832KiB/s (852kB/s)(4096KiB/4922msec) clat (nsec): min=1910.7M, max=1910.7M, avg=1910694245.00, stdev= 0.00 lat (nsec): min=1910.7M, max=1910.7M, avg=1910697557.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 1905], 5.00th=[ 1905], 10.00th=[ 1905], 20.00th=[ 1905], | 30.00th=[ 1905], 40.00th=[ 1905], 50.00th=[ 1905], 60.00th=[ 1905], | 70.00th=[ 1905], 80.00th=[ 1905], 90.00th=[ 1905], 95.00th=[ 1905], | 99.00th=[ 1905], 99.50th=[ 1905], 99.90th=[ 1905], 99.95th=[ 1905], | 99.99th=[ 1905] bw ( KiB/s): min= 8175, max= 8175, per=100.00%, avg=8175.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 write: IOPS=0, BW=1664KiB/s (1704kB/s)(8192KiB/4922msec); 0 zone resets clat (msec): min=507, max=2377, avg=1442.30, stdev=1322.32 lat (msec): min=509, max=2378, avg=1444.23, stdev=1321.55 clat percentiles (msec): | 1.00th=[ 506], 5.00th=[ 506], 10.00th=[ 506], 20.00th=[ 506], | 30.00th=[ 506], 40.00th=[ 506], 50.00th=[ 506], 60.00th=[ 2366], | 70.00th=[ 2366], 80.00th=[ 2366], 90.00th=[ 2366], 95.00th=[ 2366], | 99.00th=[ 2366], 99.50th=[ 2366], 99.90th=[ 2366], 99.95th=[ 2366], | 99.99th=[ 2366] bw ( KiB/s): min= 8062, max= 8062, per=100.00%, avg=8062.00, stdev= 0.00, samples=1 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=1 lat (msec) : 750=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.00%, sys=2.09%, ctx=42, majf=0, minf=11 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,2,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145239: Thu Jun 11 18:14:11 2026 write: IOPS=0, BW=2612KiB/s (2675kB/s)(12.0MiB/4704msec); 0 zone resets clat (msec): min=484, max=2406, avg=1537.97, stdev=974.33 lat (msec): min=484, max=2406, avg=1538.47, stdev=974.28 clat percentiles (msec): | 1.00th=[ 485], 5.00th=[ 485], 10.00th=[ 485], 20.00th=[ 485], | 30.00th=[ 485], 40.00th=[ 1720], 50.00th=[ 1720], 60.00th=[ 1720], | 70.00th=[ 2400], 80.00th=[ 2400], 90.00th=[ 2400], 95.00th=[ 2400], | 99.00th=[ 2400], 99.50th=[ 2400], 99.90th=[ 2400], 99.95th=[ 2400], | 99.99th=[ 2400] bw ( KiB/s): min= 8175, max= 8175, per=100.00%, avg=8175.00, stdev= 0.00, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 500=33.33%, 2000=33.33%, >=2000=33.33% cpu : usr=0.06%, sys=2.55%, ctx=36, majf=0, minf=9 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=145241: Thu Jun 11 18:14:11 2026 write: IOPS=1, BW=4878KiB/s (4995kB/s)(12.0MiB/2519msec); 0 zone resets clat (msec): min=712, max=929, avg=806.17, stdev=111.64 lat (msec): min=718, max=930, avg=808.58, stdev=109.53 clat percentiles (msec): | 1.00th=[ 709], 5.00th=[ 709], 10.00th=[ 709], 20.00th=[ 709], | 30.00th=[ 709], 40.00th=[ 776], 50.00th=[ 776], 60.00th=[ 776], | 70.00th=[ 927], 80.00th=[ 927], 90.00th=[ 927], 95.00th=[ 927], | 99.00th=[ 927], 99.50th=[ 927], 99.90th=[ 927], 99.95th=[ 927], | 99.99th=[ 927] bw ( KiB/s): min= 8126, max= 8175, per=100.00%, avg=8150.50, stdev=34.65, samples=2 iops : min= 1, max= 1, avg= 1.00, stdev= 0.00, samples=2 lat (msec) : 750=33.33%, 1000=66.67% cpu : usr=0.00%, sys=4.09%, ctx=61, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,3,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=3329KiB/s (3409kB/s), 832KiB/s-3331KiB/s (852kB/s-3411kB/s), io=16.0MiB (16.8MB), run=3689-4922msec WRITE: bw=6657KiB/s (6817kB/s), 1664KiB/s-4878KiB/s (1704kB/s-4995kB/s), io=32.0MiB (33.6MB), run=2519-4922msec